2420 Open source projects that are alternatives of or similar to Web3.js

Framework for serverless Decentralized Applications using Ethereum, IPFS and other platforms

Ethereum TypeScript Client Library - for perfect types and tiny builds.

SDKs for CoinAPI

The unofficial .NET/C# client library for the Coinbase Pro/GDAX API

Wolk SWARMDB - Decentralized Database Services for Web3

Bee is a Swarm client implemented in Go. It’s the basic building block for the Swarm network: a private; decentralized; censorship-resistant and self-sustaining network for storing your (application) data.

A GraphQL interface to Ethereum 🔥

☄️ Temporal is an easy-to-use, enterprise-grade interface into distributed and decentralized storage

Open Source Unified REST API of 100+ Crypto Exchange Sites (18k+ docker pulls) - https://ccxt-rest.io/

🦄 The unofficial Python client for the Uniswap exchange.

Curated collection of blockchain & cryptocurrency resources.

A JavaScript / Python / PHP cryptocurrency trading API with support for more than 100 bitcoin/altcoin exchanges

Deep Blockchains - reference implementation of Plasma, Stark, SMT and more

The Colony JavaScript client

A Docker Image to create a set of mining, local Ethereum nodes for development

ExchangeSharp is a powerful, fast and easy to use .NET/C# API for interfacing with many crypto currency exchanges. REST and web sockets are supported.

Coinbase Pro API written in TypeScript and covered by tests.

₿ A Human–Friendly API Service for Crypto Currency Information.

An API by MyEtherWallet. ETH / Ropsten / JSON RPC / Web3

Augur JavaScript API

A collection of JavaScript libraries for Ethereum dapp development.

swarm docs

💰 Cryptocurrency Portfolio On The Command Line 💰

A super tiny module for querying IPFS that works in the browser and node.

OpenPGP API library

微信支付API v3的调试工具

A promise-based Node.JS library for the Blizzard Battle.net Community Platform API

Interface to the Global Biodiversity Information Facility API

A set of tools to automate multiple GitHub repository management.

A WebCrypto Polyfill for Node in TypeScript built on OpenSSL.

Thetta - an open-source framework to help you build the DAO of your dreams

Safe arithmetic

📔 Curated list of resources: books, videos, articles, speaker decks, tools about using the JAMstack (A modern web development architecture for creating fast, secure and dynamic websites)

A curated list of ICO repositories that produced ERC20/ERC223 tokens

A Boilerplate Project For Laravel API's (NOT MAINTAINED)

A JS client for CouchDB that does the heavy lifting

Decentralized and light Ethereum Wallet

A tool to quickly mock out end points, setup delays and more...

A Solidity smart contract auditing checklist

Ethereum Smart Contracts Security CheckList From Knownsec 404 Team

Exemplary real world application built with Golang + Gin

A RESTful API for the Overwatch Game

The Last API Wrapper: Pragmatic API wrapper framework

Ethereum 2.0 Staking Guides

Pinterest iOS SDK

The official Musicoin Desktop Wallet Application

PlayStation Network API in python

JSON API Transformer Bundle for Symfony 2 and Symfony 3

Source of lyrics.ovh and API to search for lyrics of a song

IEX Cloud open source API wrapper

🌵 Declarative API Data Management Library built on top of redux 🌵

Control your API calls by using an amazing component which supports axios and vue-resource

ActiveHash Relation: Simple gem that allows you to run multiple ActiveRecord::Relation using hash. Perfect for APIs.

Everything you need to know about this Meetup

Ever® Traduora - Open-Source Translation Management Platform

CLI swiss army knife for Ethereum developers

Promise based Pixiv API client for node.js and react native

🍪 ML application template to create API services around your ML code.

A Decentralized Exchange Scaffold - launch a DEX in minutes

The swiftest way to build iOS apps that connect to Salesforce